One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(5,6,13,23,10,16,26,29,12,8,9,15,11,17,25,24)(7,14,28,34,27,31,35,33,21,22,19,30,20,18,32,36)(1,2,4,3)(5,7)(6,14)(8,22)(9,19)(10,27)(11,20)(12,21)(13,28)(15,30)(16,31)(17,18)(23,34)(24,36)(25,32)(26,35)(29,33)(5,8,12,6)(7,18,21,31)(9,24,13,29)(10,16,11,17)(14,27,22,20)(15,26,23,25)(19,34,28,30)(32,36,35,33)(1,3,4,2)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.